Home / 1,431,520.74-2,147,225.00-484,891.43

Finding the Fourth Proportional to 1,431,520.74, 2,147,225.00 and 484,891.43

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Solution

The fourth proportional to 1,431,520.74, 2,147,225.00 and 484,891.43 is: 727,318.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,520.74 : 2,147,225.00 = 484,891.43 : x
  2. Step 2: Convert to fraction form
    1,431,520.74/2,147,225.00 = 484,891.43/x
  3. Step 3: Cross multiply
    1,431,520.74x = 2,147,225.00 × 484,891.43
  4. Step 4: Simplify right side
    1,431,520.74x = 1,041,170,987,621.17
  5. Step 5: Solve for x
    x = 1,041,170,987,621.17/1,431,520.74
  6. Step 6: Final answer
    x = 727,318.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.